//
//  AppDelegate.swift
//  GSY-微博-swift
//
//  Created by Song on 2017/11/23.
//  Copyright © 2017年 Song. All rights reserved.
//

import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?


    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
        
        
        window = UIWindow();
        window?.backgroundColor = UIColor.white
        
        window?.rootViewController = GSYMainViewController();
        window?.makeKeyAndVisible();
        
        loadAppInfo();
        
        return true
    }

}


// MARK: - 从服务器加载应用程序信息
extension AppDelegate {
    
    fileprivate func loadAppInfo() {
        // 模拟异步
        DispatchQueue.global().async {
            
            // 1. url
            let url = Bundle.main.url(forResource: "main.json", withExtension: nil)
            
            // 2. data
            let data = NSData(contentsOf: url!);
            
            // 3. 写入磁盘（沙盒）
            let docDir = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0];
            let jsonPath = (docDir as NSString).appendingPathComponent("main.json")
            
            data?.write(toFile: jsonPath, atomically: true)
            
//            print("应用程序加载完毕 \(jsonPath)") // 沙盒路径
        }
    }
}
